1333580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 2827440

約数和(自身を除く): 1493860

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 509, 524, 655, 1018, 1310, 2036, 2545, 2620, 5090, 10180, 66679, 133358, 266716, 333395, 666790, 1333580]

約数ペア:

[(1, 1333580), (2, 666790), (4, 333395), (5, 266716), (10, 133358), (20, 66679), (131, 10180), (262, 5090), (509, 2620), (524, 2545), (655, 2036), (1018, 1310)]